56512930 has 32 divisors (see below), whose sum is σ = 108105840. Its totient is φ = 21196800.

The previous prime is 56512927. The next prime is 56512933. The reversal of 56512930 is 3921565.

56512930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56512927) and next prime (56512933).

It can be written as a sum of positive squares in 8 ways, for example, as 50651689 + 5861241 = 7117^2 + 2421^2 .

It is a super-2 number, since 2×56512930² = 6387422514369800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56512892 and 56512901.

It is not an unprimeable number, because it can be changed into a prime (56512933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67756 + ... + 68584.

Almost surely, 2^56512930 is an apocalyptic number.

56512930 is a deficient number, since it is larger than the sum of its proper divisors (51592910).

56512930 is a wasteful number, since it uses less digits than its factorization.

56512930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 56512930 is about 7517.5082307903. The cubic root of 56512930 is about 383.7507832074.

The spelling of 56512930 in words is "fifty-six million, five hundred twelve thousand, nine hundred thirty".